Slack shares soar following report of attainable Salesforce acquisition


Stewart Butterfield (C), co-founder and chief executive officer of Slack, and Allen Shim (2nd L), chief financial officer of Slack, ring the opening bell the New York Stock Exchange (NYSE), June 20, 2019 in New York City.

Drew Angerer | Getty Images

Shares of Slack rose 27% Wednesday following a Wall Street Journal report that Salesforce held talks to buy the company.

Salesforce stock dropped more than 4% on the news.

The deal would likely value Slack at more than its market cap of $17 billion, according to the report. It would also become Salesforce’s largest acquisition to date, following its purchase of Tableau in 2019 for more than $15 billion. A deal is not guaranteed and the talks could call through, the Wall Street Journal reported.

Shares of Microsoft, which competes with Slack through its Teams offering, dipped slightly.

This is a developing story. Please check back for updates.

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Katherine Clark